* {
  margin: 0;
  padding: 0;
}
html,
body,
.common-layout,
#app,
.el-container,
.el-menu {
  height: 100%;
}
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
::-webkit-scrollbar-thumb {
  background-color: #ccc;
  border-radius: 5px;
}
